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How to use DISTINCT and ORDER BY in same SELECT statement?
...T. To do this, you need to use an aggregate function to sort on, and use a GROUP BY to make the DISTINCT work.
Try something like this:
SELECT DISTINCT Category, MAX(CreationDate)
FROM MonitoringJob
GROUP BY Category
ORDER BY MAX(CreationDate) DESC, Category
...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...intf command.
With arrays, the rules are both similar and different.
If groups is an array, referencing $groups or ${groups} is tantamount to referencing ${groups[0]}, the zeroth element of the array.
Referencing "${groups[@]}" is analogous to referencing "$@"; it preserves the spacing in the ind...
How to fix Error: laravel.log could not be opened?
...ged in with as owner and the webserver user (www-data, apache, ...) as the group.
You can try this:
sudo chown -R $USER:www-data storage
sudo chown -R $USER:www-data bootstrap/cache
then to set directory permission try this:
chmod -R 775 storage
chmod -R 775 bootstrap/cache
Update:
Webserver ...
ssh “permissions are too open” error
...d to run "chgrp Użytkownicy ~/.ssh/id_rsa" since "Users" errored no such group.
– Marcos
Sep 26 '14 at 18:44
I had t...
Laravel blank white screen
...solved this by making the app/storage directory writable by Apache (either group writable to "www-data", "apache" or world-writable - that depends on your server setup.
Web Server User
On Ubuntu/Debian servers, your PHP may be running as user "www-data". On CentOS/RedHat/Fedora servers, you PHP ma...
Order of items in classes: Fields, Properties, Constructors, Methods
...ations)
Properties
Indexers
Methods
Structs
Classes
Within each of these groups order by access: (SA1202)
public
internal
protected internal
protected
private
Within each of the access groups, order by static, then non-static: (SA1204)
static
non-static
Within each of the static/non-static...
What's the correct way to sort Python `import x` and `from x import y` statements?
The python style guide suggests to group imports like this:
6 Answers
6
...
Python matplotlib multiple bars
...ou should either use a stacked bar chart (colours on top of each other) or group by date (a "fake" date on the x-axis, basically just grouping the data points).
import numpy as np
import matplotlib.pyplot as plt
N = 3
ind = np.arange(N) # the x locations for the groups
width = 0.27 # the wi...
Create array of regex matches
...e")
.matcher(yourStringHere);
while (m.find()) {
allMatches.add(m.group());
}
After this, allMatches contains the matches, and you can use allMatches.toArray(new String[0]) to get an array if you really need one.
You can also use MatchResult to write helper functions to loop over matc...
GROUP BY to combine/concat a column [duplicate]
... FOR XML PATH (''))
, 1, 1, '') AS URLList
FROM TableName AS a
GROUP BY [User], Activity
SQLFiddle Demo
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